Steering mechanism.



G. KRSIEN.

STEERING MECHANISM.-

APPLICATION FILED MAR. 13, 1912.

1,087,591 Patented Feb. 17, 1914,

Suva Wow 6/00/71 8814129256214 COLUMBIA PLANOIJRAPH CO WASHINCITON. D.C.

STEERING MECHANISM.

To all whom it may concern Be it known that 1, CHARLES KRsinN, citizenof the United States, residing at Hutchinson. in the county of McLeodand State of Minnesota, have invented certain new and usefulImprovements in Steering Mechanism, of which the following is aspecification.

This invention has relation to steering mechanism especially adapted tobe applied to threshers and similar machines for the purpose of steeringthe front or pivoted axle of the same in order that the machine may beturned or moved around in limit-ed spaces.

The device consists in providing the pivoted axle with pulleys aboutwhich cables are trained. The said cables are connected with theopposite sides of a tongue which is pivoted to the axle. The axle ispivotally connected with the frame of the machine and means is providedfor moving the cables, whereby the axle is swung to a desired angle withrelation to the long dimen sion of the tongue, or conversely the tongueis swung with relation to the axle.

For a full understanding of the invention reference is to be had to thefollowing de scription and accompanying drawing, in which: I

Figure 1 is a side elevation of the forward part of a thresher with thesteering mechanism applied; Fig. 2 is a front elevation of the steeringmechanism with parts in section; Fig. 3 is a perspective view of theactive parts of the steering mechanism.

Corresponding and like parts are referred to in the followingdescription and indicated in all the views of the accompanying drawingby the same reference characters.

As illustrated in the accompanying drawing the axle 1 is pivoted to theframe of a thresher or similar machine indicated in general at 2. Asocket member 3 is pivoted to the axle 1 and a tongue 4 is pivoted inthe said socket member. One end portion of a shaft 5 is journaled in arecess 6 provided in the upper part of the bolster 7 which constitutes aportion of the frame of the thresher 2. The outer portion of the shaft-5 is disposed at the side of the body of the thresher 2 and a worm wheel8 is fixed upon the outer portion of the said shaft. The axle 1 ishollow and pulleys 9 are journaled at the intermediate portion thereof.These pulleys are disposed approximately in vertical planes. The axle 1Specification of Letters Patent.

Application filed March 13, 1912.

Patented Feb. 17, 1914:. Serial No. 683,549.

is provided at its forward side with open ingslO in which are journaledapproximately horizontal pulleys 11. A cable 12 is wound at itsintermediate portion about the shaft 5 and extends down under thepulleys 9 and from the said pulleys extends toward the ends of theaxle 1. The end portions of the cable 12 pass around the pulleys 11 andthrough the openings 10 and are c011- nected to the opposite sides ofthe tongue 4 in advance of the socket member 3. It will therefore beseen that when the shaft 5 is turned the said cable is wound thereon,whereby it is moved longitudinally and as one end portion is wound onthe shaft the other end unwinds from the shaft. Conse quently the axle 1is swung with relation to the tongue 4:- In other words, the axle 1 isdisposed normally at a right angle to the long dimension of the tongue,but by turning the shaft 5 and moving the cable as in dicated the saidaxlemay be disposed at an acute angle to the long dimension of thetongue. This willfacilitate the turning of the thresher or machine inlimited space.

A shaft 13 is journaled at the side of the thresher 2 and is provided atits lower portion with a worm 14 which engages the worm wheel 8. Theshaft 13 is provided at'its upper end with a crank 15. A foot treadle 16is pivoted upon the frame of-the thresher 2 and a. rod 17 is pivoted tothe said treadle and is adapted to engage the worm wheel 8. The rod 17normally engages the wheel 8 and holds the same against rotation andalso holds the shaft 5 against rotation. When the treadle 16 isdepressed the rod 17 disengages the wheel 8 and by turning the shaft 13the worm 14 rotates the worm 8 and the shaft 5.

Having thus described the invention, what-is claimed as new is:

1. A steering mechanism including a" bolster, an axle pivoted beneaththe bolster, a tongue pivoted between the axle and bolster, saidbolster, tongue and axle being provided with vertically alined recesses,said axle being further provided with a longitudinally extending recesscommunicating with the vertical recess and with its ends opening throughthe front of the axle, a shaft journaled in the bolster and with one endextending withinits recess, a plurality of pulleys mounted in therecesses of the axle, a cable having its intermediate portion woundabout the portion of the shaft within the recess and having its endportions passed downwardly through the vertically alined recesses andoppositely extended through the longitudinal recess, said cable beingtrained about the pulleys and the free ends of the cable being passedthrough the openings in the front of the axle and secured to oppositesides of the tongue at a point considerably in advance of its pivotal 10point, and means for rotating said shaft.

2. A steering mechanism comprising a pivoted axle, a tongue pivoted tothe axle, a cable connected at its ends to the opposite sides of thetongue and trained through the axle and the pivot of the axle, and meansfor moving the cable.

In testimony whereof I afiix my signature in presence of two witnesses.1

CHARLES KRSIEN. [11. s] \Vitnesses:

O. W. LUNDs'rnN, GEO. A. SIRWnIeI-rr.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

